5e53879008
To unify Makefile for sparc and sparc64 a few other steps was needed:
1) separate defconfig files for sparc and sparc64 is required,
so locate these in arch/sparc/configs
2) removoval of hack in toplevel Makefile to deal with that
headers was in a separate directory compared to the rest
The unification of the Makefile required usage of several
foo-$(CONFIG_SPARCnn) +=
due to a few directories pending unification.
This will be cleaned up when we unify the remaining directories.
Included in this patch are the deletion of a few files in
sparc64 as they are no longer needed: Makefile + Kconfig.
arch/sparc64/ will after this patch is applied only
have four directories (prom, lib, kernel, boot)
Signed-off-by: Sam Ravnborg <sam@ravnborg.org>
Signed-off-by: David S. Miller <davem@davemloft.net>
123 lines
3.4 KiB
Makefile
123 lines
3.4 KiB
Makefile
#
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# sparc/Makefile
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#
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# Makefile for the architecture dependent flags and dependencies on the
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# Sparc and sparc64.
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#
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# Copyright (C) 1994,1996,1998 David S. Miller (davem@caip.rutgers.edu)
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# Copyright (C) 1998 Jakub Jelinek (jj@ultra.linux.cz)
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# We are not yet configured - so test on arch
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ifeq ($(ARCH),sparc)
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KBUILD_DEFCONFIG := sparc32_defconfig
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else
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KBUILD_DEFCONFIG := sparc64_defconfig
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endif
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ifeq ($(CONFIG_SPARC32),y)
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#####
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# sparc32
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#
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#
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# Uncomment the first KBUILD_CFLAGS if you are doing kgdb source level
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# debugging of the kernel to get the proper debugging information.
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AS := $(AS) -32
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LDFLAGS := -m elf32_sparc
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CHECKFLAGS += -D__sparc__
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export BITS := 32
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#KBUILD_CFLAGS += -g -pipe -fcall-used-g5 -fcall-used-g7
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KBUILD_CFLAGS += -m32 -pipe -mno-fpu -fcall-used-g5 -fcall-used-g7
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KBUILD_AFLAGS += -m32
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CPPFLAGS_vmlinux.lds += -m32
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#LDFLAGS_vmlinux = -N -Ttext 0xf0004000
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# Since 2.5.40, the first stage is left not btfix-ed.
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# Actual linking is done with "make image".
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LDFLAGS_vmlinux = -r
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# Default target
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all: zImage
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else
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#####
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# sparc64
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#
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CHECKFLAGS += -D__sparc__ -D__sparc_v9__ -D__arch64__ -m64
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# Undefine sparc when processing vmlinux.lds - it is used
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# And teach CPP we are doing 64 bit builds (for this case)
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CPPFLAGS_vmlinux.lds += -m64 -Usparc
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LDFLAGS := -m elf64_sparc
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export BITS := 64
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KBUILD_CFLAGS += -m64 -pipe -mno-fpu -mcpu=ultrasparc -mcmodel=medlow \
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-ffixed-g4 -ffixed-g5 -fcall-used-g7 -Wno-sign-compare \
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-Wa,--undeclared-regs
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KBUILD_CFLAGS += $(call cc-option,-mtune=ultrasparc3)
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KBUILD_AFLAGS += -m64 -mcpu=ultrasparc -Wa,--undeclared-regs
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ifeq ($(CONFIG_MCOUNT),y)
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KBUILD_CFLAGS += -pg
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endif
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endif
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head-$(CONFIG_SPARC32) := arch/sparc/kernel/head.o
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head-$(CONFIG_SPARC32) += arch/sparc/kernel/init_task.o
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head-$(CONFIG_SPARC64) := arch/sparc64/kernel/head.o
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head-$(CONFIG_SPARC64) += arch/sparc64/kernel/init_task.o
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core-$(CONFIG_SPARC32) += arch/sparc/kernel/
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core-$(CONFIG_SPARC64) += arch/sparc64/kernel/
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core-y += arch/sparc/mm/ arch/sparc/math-emu/
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libs-$(CONFIG_SPARC32) += arch/sparc/prom/
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libs-$(CONFIG_SPARC32) += arch/sparc/lib/
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libs-$(CONFIG_SPARC64) += arch/sparc64/prom/
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libs-$(CONFIG_SPARC64) += arch/sparc64/lib/
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drivers-$(CONFIG_OPROFILE) += arch/sparc/oprofile/
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# Export what is needed by arch/sparc/boot/Makefile
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export VMLINUX_INIT VMLINUX_MAIN
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VMLINUX_INIT := $(head-y) $(init-y)
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VMLINUX_MAIN := $(core-y) kernel/ mm/ fs/ ipc/ security/ crypto/ block/
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VMLINUX_MAIN += $(patsubst %/, %/lib.a, $(libs-y)) $(libs-y)
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VMLINUX_MAIN += $(drivers-y) $(net-y)
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ifdef CONFIG_KALLSYMS
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export kallsyms.o := .tmp_kallsyms2.o
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endif
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boot-y := arch/sparc/boot
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boot-$(CONFIG_SPARC64) := arch/sparc64/boot
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image zImage tftpboot.img vmlinux.aout: vmlinux
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$(Q)$(MAKE) $(build)=$(boot-y) $(boot-y)/$@
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archclean:
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$(Q)$(MAKE) $(clean)=$(boot-y)
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# This is the image used for packaging
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KBUILD_IMAGE := $(boot-y)/zImage
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# Don't use tabs in echo arguments.
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ifeq ($(ARCH),sparc)
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define archhelp
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echo '* image - kernel image ($(boot)/image)'
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echo '* zImage - stripped kernel image ($(boot)/zImage)'
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echo ' tftpboot.img - image prepared for tftp'
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endef
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else
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define archhelp
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echo '* vmlinux - Standard sparc64 kernel'
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echo ' vmlinux.aout - a.out kernel for sparc64'
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echo ' tftpboot.img - image prepared for tftp'
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endef
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endif
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